return time.Unix(secs, 0), nil // No sub-second values
	}

	// Parse the nanoseconds.
	// Initialize an array with '0's to handle right padding automatically.
	nanoDigits := [maxNanoSecondDigits]byte{'0', '0', '0', '0', '0', '0', '0', '0', '0'}
	for i := range len(sn) {
		switch c := sn[i]; {
		case c < '0' || c > '9':
			return time.Time{}, ErrHeader
		case i < len(nanoDigits):
			nanoDigits[i] = c
		}
	}

			[out] LsarSidArray *sids);

	typedef [v1_enum] enum {
		SE_GROUP_MANDATORY          = 0x00000001,
		SE_GROUP_ENABLED_BY_DEFAULT = 0x00000002,
		SE_GROUP_ENABLED            = 0x00000004,
		SE_GROUP_OWNER              = 0x00000008,
		SE_GROUP_USE_FOR_DENY_ONLY  = 0x00000010,
		SE_GROUP_RESOURCE           = 0x20000000,
		SE_GROUP_LOGON_ID           = 0xC0000000
	} SamrGroupAttrs;

	typedef struct {
		uint32_t rid;

    /** Permission to write extended attributes */
    public static final int FILE_WRITE_EA = 0x00000010; // 5
    /** Permission to execute a file or traverse a directory */
    public static final int FILE_EXECUTE = 0x00000020; // 6
    /** Permission to delete a file or directory */
    public static final int FILE_DELETE = 0x00000040; // 7
    /** Permission to read file attributes */

    assertThat(frameLog(false, 0, 0, TYPE_SETTINGS, FLAG_ACK))
      .isEqualTo(">> 0x00000000     0 SETTINGS      ACK")
    assertThat(frameLog(true, 0, 0, TYPE_SETTINGS, FLAG_ACK))
      .isEqualTo("<< 0x00000000     0 SETTINGS      ACK")
    assertThat(frameLog(true, 3, 22, TYPE_HEADERS, FLAG_END_HEADERS))
      .isEqualTo("<< 0x00000003    22 HEADERS       END_HEADERS")

[2020-01-01 00:00:00] >> 0x00000000     6 SETTINGS
[2020-01-01 00:00:00] >> 0x00000000     4 WINDOW_UPDATE
[2020-01-01 00:00:00] >> 0x00000003    47 HEADERS       END_STREAM|END_HEADERS
[2020-01-01 00:00:00] << 0x00000000     6 SETTINGS
[2020-01-01 00:00:00] << 0x00000000     0 SETTINGS      ACK
[2020-01-01 00:00:00] << 0x00000000     4 WINDOW_UPDATE
[2020-01-01 00:00:00] >> 0x00000000     0 SETTINGS      ACK

    */
    int NTLMSSP_NEGOTIATE_UNICODE = 0x00000001;

    /**
    * Indicates whether OEM strings are supported or used.
    */
    int NTLMSSP_NEGOTIATE_OEM = 0x00000002;

    /**
    * Indicates whether the authentication target is requested from
    * the server.
    */
    int NTLMSSP_REQUEST_TARGET = 0x00000004;

    /**

    /**
     * Permission to write extended attributes
     */
    int FILE_WRITE_EA = 0x00000010; // 5
    /**
     * Permission to execute a file or traverse a directory
     */
    int FILE_EXECUTE = 0x00000020; // 6
    /**
     * Permission to delete a file or directory
     */
    int FILE_DELETE = 0x00000040; // 7
    /**
     * Permission to read file attributes
     */

                Arguments.of(0xC0000001, "A device attached to the system is not functioning."),
                Arguments.of(0x00000000, "NT_STATUS_SUCCESS"),
                // An error that maps via DOS mapping
                Arguments.of(0x00000002, SmbException.getMessageByCode(0x00000002)),
                // Unknown code → hex string (uppercase)
                Arguments.of(0xDEADBEEF, "0xDEADBEEF"));
    }

    private byte[] contextHandle;

    // Registration flags
    /** No special registration flags */
    public static final int WITNESS_REGISTER_NONE = 0x00000000;
    /** Register for IP address change notifications */
    public static final int WITNESS_REGISTER_IP_NOTIFICATION = 0x00000001;

    // Registration state
    private volatile WitnessRegistrationState state;
    private volatile long lastHeartbeat;

    /**
     * Indicates that the NTLM version is included in the message.
     */
    int NTLMSSP_NEGOTIATE_VERSION = 0x2000000;

    /**
     * Indicates that 128-bit encryption is supported.
     */
    int NTLMSSP_NEGOTIATE_128 = 0x20000000;

    /**
     * Request explicit key exchange
     */
    int NTLMSSP_NEGOTIATE_KEY_EXCH = 0x40000000;

    /**